
<!-- banner图片 -->
<picture>
<img alt="" aria-hidden="true" width="4377"
 class="position-absolute top-0 events-none" style="right: -1050px; max-width: calc(230vw + 1670px)" 
src="https://github.githubassets.com/images/modules/site/home-campaign/hero-bg.webp"></picture>